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Finding the Fourth Proportional to 794,181.43, 1,095,978.83 and 431,605.29

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Solution

The fourth proportional to 794,181.43, 1,095,978.83 and 431,605.29 is: 595,619.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    794,181.43 : 1,095,978.83 = 431,605.29 : x
  2. Step 2: Convert to fraction form
    794,181.43/1,095,978.83 = 431,605.29/x
  3. Step 3: Cross multiply
    794,181.43x = 1,095,978.83 × 431,605.29
  4. Step 4: Simplify right side
    794,181.43x = 473,030,254,674.47
  5. Step 5: Solve for x
    x = 473,030,254,674.47/794,181.43
  6. Step 6: Final answer
    x = 595,619.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.